What's missing is why open source won. It's impossible to be rug pulled. If the maintainers (this is a carefully chosen word) attempt a rug-pull you can just Elastic or Redis them. If the product is closed this is impossible and you're at the mercy of whoever you built on. Open Source is the ultimate right to repair. Everything is working as intended.
Selling software is a deadend. Nobody in their right mind will pay for it because the risks are too great. If you want to build a technology business sell services and support.
The majority of software was always proprietary. GNU was a revolutionary idea. Businesses giving away their product to gain favor is just the natural tendency of the rate of profit to fall.